Home > Class 4.6 Bolt
Discover our wide range of Grade 4.6 bolts engineered to satisfy demanding engineering specifications with top-tier reliability and adaptability. Every bolt is crafted from premium carbon steel, delivering exceptional quality and long-lasting durability. Consistent with industry benchmarks, our bolts offer moderate tensile strength and superb performance across general uses. We place customer satisfaction first by delivering tailored solutions, competitive pricing and rapid shipping. Incorporate our dependable Grade 4.6 bolts into your projects and rely on their steady and trustworthy performance.
At Koasteel, we take great pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for all your piping requirements. With cutting-edge manufacturing facilities strategically positioned in the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials ready and available in inventory.
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DIA |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M18 |
M20 |
M22 |
M24 |
M27 |
M30 |
M33 |
M36 |
M39 |
M42 |
M45 |
M48 |
M52 |
|
Pitch |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
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Grade A upto length |
40 |
50 |
60 |
80 |
100 |
120 |
140 |
150 |
Grade A not applicable to these dia’s |
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Head Across Flat (S) Nom = Max Min Grade A Grade B |
7 |
8 |
10 |
13 |
16 |
18 |
21 |
24 |
27 |
30 |
34 |
36 |
41 |
46 |
50 |
55 |
60 |
65 |
70 |
75 |
80 |
|
6.78 |
7.78 |
9.78 |
12.73 |
15.73 |
17.73 |
20.67 |
23.67 |
26.67 |
29.67 |
33.38 |
35.38 |
Grade A not applicable to these dia’s |
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|
6.64 |
7.64 |
9.64 |
12.57 |
15.57 |
17.57 |
20.16 |
23.16 |
26.16 |
29.16 |
33 |
35 |
40 |
45 |
49 |
53.8 |
58.8 |
63.1 |
68.1 |
73.1 |
78.1 |
|
|
Head Height (K) Nom Tol + or – Grade A Grade B |
2.8 |
3.5 |
4 |
5.3 |
6.4 |
7.5 |
8.8 |
10 |
11.5 |
12.5 |
14 |
15 |
17 |
18.7 |
21 |
22.5 |
25 |
26 |
28 |
30 |
33 |
|
0.125 |
0.15 |
0.18 |
0.215 |
Grade A not applicable to these dia’s |
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|
0.2 |
0.24 |
0.29 |
0.35 |
0.42 |
0.5 |
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|
Across corners e Min Grade A Grade B |
7.66 |
8.79 |
11.05 |
14.38 |
17.77 |
20.03 |
23.36 |
26.75 |
30.14 |
33.53 |
37.72 |
39.98 |
Grade A not applicable to these dia’s |
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|
7.5 |
8.63 |
10.89 |
14.2 |
17.59 |
19.85 |
22.78 |
26.17 |
29.56 |
32.95 |
37.29 |
39.55 |
45.2 |
50.85 |
55.37 |
60.79 |
66.44 |
71.3 |
76.95 |
82.6 |
88.25 |
|
|
Thread Length (b) For lengths < or = 125mm For lengths > 125mm <= 200mm For lengths > 200mm |
14 |
16 |
18 |
22 |
26 |
30 |
34 |
38 |
42 |
46 |
50 |
54 |
60 |
66 |
Not specified as full thread recommended |
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|
20 |
22 |
24 |
28 |
32 |
36 |
40 |
44 |
48 |
52 |
56 |
60 |
66 |
72 |
78 |
84 |
90 |
96 |
102 |
108 |
116 |
|
|
33 |
35 |
37 |
41 |
45 |
49 |
53 |
57 |
61 |
65 |
69 |
73 |
79 |
85 |
91 |
97 |
103 |
109 |
115 |
121 |
129 |
|
|
Major Dia at thread (min) |
3.838 |
4.826 |
5.794 |
7.76 |
9.732 |
11.701 |
13.682 |
15.682 |
17.623 |
19.623 |
21.623 |
23.577 |
26.577 |
29.522 |
32.522 |
35.465 |
38.465 |
41.437 |
44.437 |
47.399 |
51.399 |
|
Major Dia at thread (max) |
3.978 |
4.976 |
5.974 |
7.972 |
9.968 |
11.966 |
13.962 |
15.962 |
17.958 |
19.958 |
21.958 |
23.952 |
26.952 |
29.947 |
32.947 |
35.94 |
38.94 |
41.937 |
44.937 |
47.929 |
51.929 |
Reach out to us for a fast quote tailored to your requirement.
We supply these Grade 4.6 Bolts in accordance with DIN, ISO, JIS or ANSI Standard.
Dimensions | ASME B18.2.1, B18.3 |
|---|---|
Melt Origin | South America/East Europe/JapanKorea/ |
Product Origin | Made in India |
Threads Configuration | ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
Certification | Dual Certified As per ASTM & ASME Codes |
Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
Mandatory Requirements | Free from Mercury & Radioactive Contamination |
Additional Requirements | NACE MR0103 / MR0175 / ISO 15156 Compliance |
Grade 4.6 Bolt uses are as varied as the sectors they support, led chiefly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
To select the appropriate Grade 4.6 bolt for your application, weigh these considerations: the weight of your application and its compression needs, since Grade 4.6 bolts offer moderate tensile strength. Environmental conditions: Verify that the bolt materials suit the size and length needed for a proper fit and reliable performance, along with other compatible materials to prevent galvanic corrosion. Consult industry standards and, when needed, obtain expert guidance to confirm the bolt satisfies your particular technical and safety requirements.
Email: sales@koasteel.nz
